ArticleEnvironmental science and pollution research international2021
The accumulation and effect of rare earth element neodymium on the root of rice seedlings.
Article in Environmental science and pollution research international, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 16 citations in OpenAlex.
- Phyto- and Microbial-Based Remediation of Rare-Earth-Element-Polluted Soil.Microorganisms · 2025Review
- The Soil-Plant Continuity of Rare Earth Elements: Insights into an Enigmatic Class of Xenobiotics and Their Interactions with Plant Structures and Processes.Journal of xenobiotics · 2025Review
- The toxicity of neodymium and genome-scale genetic screen of neodymium-sensitive gene deletion mutations in the yeast Saccharomyces cerevisiae.Environmental science and pollution research international · 2022Article
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
Neodymium (Nd) potentially threatens ecological equilibrium for its wide usage in industries. In this study, the accumulation and effect of Nd on roots were investigated in the rice seedlings (Oryza sativa L.) exposed to different concentrations of Nd (0, 1, 10, 100, and 1000 μM). The toxic effect of Nd on rice growth was observed at the higher concentration, but the positive effects were found at the lower concentration. The accumulation of Nd was present in six different chemical forms, and the insoluble phosphate and oxalate Nd were the major forms of Nd in the roots. In addition, Nd was accumulated in the soluble fractions, organelles, and cell walls of rice seedlings, and the root cell wall was a major Nd sink site. The result of Fourier transform infrared spectrometer spectral analysis indicated that the functional groups of -OH and C-OH were the major binding sites of Nd in the cell wall of roots. Moreover, the level of reactive oxygen species (ROS) and the activity of catalase (CAT), superoxide dismutase (SOD), and peroxidase (POD) were significantly increased with the increase of Nd concentration. The enhanced antioxidant capacity also played an important role in Nd detoxification of rice seedlings. In all, the results indicated that forming of inactive oxalate or phosphate and efficient sequestration into the root cell wall was a key process in Nd accumulation and detoxification of rice seedlings.
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